In a poll among sociologists I like the 20 most popular books and significant books in sociology. The treatise on the family ranked 15th or so. That was a surprise to me. So chose the book that had a significant influence in sociology, and more sympathy than one might think.
Russ Roberts interviews Gary Becker, of the University of Chicago, on the challenges of being an intellectual maverick, the economic approach to human behavior, the influences of Adam Smith and Alfred Marshall on Becker's work and Becker's optimism for the future of economics.